How To Handle Exceptions In Selenium | Selenium 4 Tutorial With Java | LambdaTest

About The Video

In this Selenium 4 Java Tutorial, Anton Angelov (@angelovstanton), Co-founder & CTO of Automate The Planet Ltd., deep dives into handling exceptions in Selenium. He starts by explaining what are Selenium exceptions and the different types of exceptions in Selenium. Furthermore, he also describes how to handle exceptions using LambdaTest with a live demonstration.

Video Chapters

0:00 Introduction

2:24 What are Exceptions?

5:48 Types of Selenium Exceptions

32:40 Prettified analyzed custom exception

37:04 How to handle exceptions in LambdaTest?

42:16 Conclusion

Key Topics Covered

Recap of the Selenium 4 Course: The video is part of a series that previously covered automating signup forms, email interactions, CAPTCHA handling, test optimization using cookies, and managing asynchronous operations with design patterns.

Introduction to Selenium Exceptions: The focus is on understanding and handling various Selenium exceptions, which are key to maintaining the flow of test execution and addressing unexpected events effectively.

Common Selenium Exceptions Overview: The video delves into numerous Selenium exceptions, such as Element Click Intercepted, Element Not Interactable, Element Not Visible, Insecure Certificate Exception, Invalid Element State, No Such Element, Stale Element Reference, Timeout Exception, and Unexpected Alert Present, among others. Each exception is explained in detail, including its causes and how to handle it.

Exception Handling Strategies: Anton discusses the use of Fluent Waits and WebDriver Waits as strategies to mitigate common exceptions. This includes techniques for waiting for elements to become clickable or visible to ensure stable test execution.

Practical Code Demonstrations: The presentation includes code examples for handling specific exceptions. These examples highlight the implementation of try-catch blocks, the application of Fluent Waits, and the use of WebDriver Waits with Expected Conditions to manage exceptions effectively.

Custom Exception Handling: The video also covers creating custom exceptions for more readable and informative error messages, demonstrating how to format exceptions and append useful debugging information, such as the current URL.

Integration with LambdaTest: Anton illustrates how to report exceptions and test failures to LambdaTest, utilizing JavaScript snippets and LambdaTest's API to mark tests as failed while providing detailed error descriptions.

Conclusion and Preview of Upcoming Topics: The video concludes with a look ahead at upcoming topics in the series, focusing on event listeners and design patterns like the decorator pattern. These future discussions aim to enhance WebDriver functionalities and offer advanced strategies for exception handling.

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